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DETERMINATION FOR TRACE SELENIUM IN SOYBEAN BY MICROWAVE DIGESTION-HYDRIDE GENERATION-ATOMIC FLUORESCENCE SPECTROMETRY

Yun Chen, Ren An-xiang, LI Shuang-ting

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Abstract

According to the components in soybean,microwave digestion conditions such as mas- ses and kinds of digestion reagents and the procedures design of microwave digestion apparatus were studied in this paper.Using the AFS-820 type Atomic Fluorescence spectrophotometer,trace selenium in soybean was determined under the optimum conditions.The results showed that the recovery rates were from 86.4% to 107.6%,and the detection limit of selenium is 0.12μg L~(-1), RSD=3.16%(n=21).

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What this paper is about

According to the components in soybean,microwave digestion conditions such as mas- ses and kinds of digestion reagents and the procedures design of microwave digestion apparatus were studied in this paper.Using the AFS-820 type Atomic Fluorescence spectrophotometer,trace selenium in soybean was determined under the optimum conditions.The results showed that the recovery rates were from 86.4% to 107.6%,and the detection limit of selenium is 0.12μg L~(-1), RSD=3.16%(n=21).

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Available abstract

According to the components in soybean,microwave digestion conditions such as mas- ses and kinds of digestion reagents and the procedures design of microwave digestion apparatus were studied in this paper.Using the AFS-820 type Atomic Fluorescence spectrophotometer,trace selenium in soybean was determined under the optimum conditions.The results showed that the recovery rates were from 86.4% to 107.6%,and the detection limit of selenium is 0.12μg L~(-1), RSD=3.16%(n=21).

Key concepts: Selenium, Microwave digestion, Digestion (alchemy), Chemistry, Detection limit, Reagent, Hydride, Microwave

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DETERMINATION FOR TRACE SELENIUM IN SOYBEAN BY MICROWAVE DIGESTION-HYDRIDE GENERATION-ATOMIC FLUORESCENCE SPECTROMETRY — Research Paper | ScholarLens